{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "trigger": true, "arguments": ["Effect", "Treatment", "Treatment.Dosage", "Treatment.Disorder", "Subject.Gender", "Treatment.Drug", "Treatment.Route", "Treatment.Time_elapsed", "Subject", "Subject.Age", "Subject.Disorder", "Combination.Drug", "Subject.Race", "Treatment.Duration", "Subject.Population", "Treatment.Freq"]}, {"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Treatment", "Subject.Disorder", "Subject.Age", "Combination.Drug", "Treatment.Duration", "Treatment.Route", "Subject", "Treatment.Freq", "Treatment.Dosage", "Subject.Race", "Subject.Gender", "Subject.Population", "Treatment.Time_elapsed"]}], "input": "We present an AIDS patient with severe and prolonged lactic acidosis on stavudine and lamivudine."}
{"adverse event": [{"trigger": "present ", "arguments": {"Effect": "severe and prolonged lactic acidosis", "Treatment": "stavudine and lamivudine", "Treatment.Dosage": "NAN", "Treatment.Disorder": "AIDS", "Subject.Gender": "NAN", "Treatment.Drug": ["stavudine", "lamivudine"], "Treatment.Route": "NAN", "Treatment.Time_elapsed": "NAN", "Subject": "an AIDS patient", "Subject.Age": "NAN", "Subject.Disorder": "NAN", "Combination.Drug": ["stavudine", "lamivudine"], "Subject.Race": "NAN", "Treatment.Duration": "NAN", "Subject.Population": "NAN", "Treatment.Freq": "NAN"}}], "potential therapeutic event": []}